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Definition of Sets

If A = 1 ,2...

Question

If $A = {1, 2, 3}, B = {2, 4, 5, 6}$ and $C = {1, 3, 5, 7}$ , then find the universal set

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Solution

As we know $U = A \cup B \cup C$
$U = {1, 2, 3, 4, 5, 6, 7}$ can be taken as the universal set.

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